Fuel

He doesn't know that he will immediately find himself imprisoned in a strange and alien place, where the souls of despairing creatures from the breadth of space and time are tapped for the energy that only they possess.

He also doesn't know that he's about to meet the oldest and most terrifying of all of Mankind's enemies: an obsessed, all-powerful creature who has wiped out entire civilizations, in its single-minded quest to destroy everything human.

He doesn't know that he is about to come face-to-face with everything we've ever been, and everything we ever stand a chance of becoming.